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Online analytical processing
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==== Products ==== The first product to provide HOLAP storage was [[Holos (software)|Holos]], but the technology also became available in other commercial products such as [[Microsoft Analysis Services]], [[Oracle OLAP|Oracle Database OLAP Option]], [[MicroStrategy]] and [[SAP AG]] BI Accelerator. The hybrid OLAP approach combines ROLAP and MOLAP technology, benefiting from the greater scalability of ROLAP and the faster computation of MOLAP. For example, a HOLAP server may store large volumes of detailed data in a relational database, while aggregations are kept in a separate MOLAP store. The Microsoft SQL Server 7.0 OLAP Services supports a hybrid OLAP server
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